2152744 has 32 divisors (see below), whose sum is σ = 4665600. Its totient is φ = 920320.

The previous prime is 2152739. The next prime is 2152753. The reversal of 2152744 is 4472512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777 + ... + 2215.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

2^2152744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2332800).

2152744 is an abundant number, since it is smaller than the sum of its proper divisors (2512856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2152744 is a wasteful number, since it uses less digits than its factorization.

2152744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473 (or 1469 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 2152744 is about 1467.2232277333. The cubic root of 2152744 is about 129.1211729252.

The spelling of 2152744 in words is "two million, one hundred fifty-two thousand, seven hundred forty-four".